1. Would have to be the unreliable narrator who turns out to be the killer.
2. The True Crime genre but Ruby Ridge by Jess Walter & Someone Else‘s Daughter by Julia Sheppard in specific.
3. The Exorcist by William Peter Blatty(chilling!)& Dune by Frank Herbert.
4. Phryne Fisher! Absolutely awesome aussie🇦🇺
Thanks @Cinfhen for making me think,not enough to make my own questions! #OnTheSpot
Answer these then make your own or use the above👇